C++

//Write prototype for function factorial that accepts an int num and returns an int

/*

WITH LOOP OF YOUR CHOICE:

Write code for function factorial that accepts an int num

and returns the num's factorial

factorial(5);

1*2*3*4*5

returns 120

DON'T FORGET TO WRITE TEST CASE.

*/

//write includes statements

//write using statements for cin and cout

/*

Use a do while loop to prompt the user for

a number, call the factorial function, and display the number's

factorial. Also, loop continues as long as user wants to.

*/